3 * Copyright(c) 2006-2009 Ext JS, LLC
5 * http://www.extjs.com/license
8 * @class Ext.CompositeElement
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9 * @extends Ext.CompositeElementLite
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10 * Standard composite class. Creates a Ext.Element for every element in the collection.
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12 * <b>NOTE: Although they are not listed, this class supports all of the set/update methods of Ext.Element. All Ext.Element
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13 * actions will be performed on all the elements in this collection.</b>
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15 * All methods return <i>this</i> and can be chained.
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17 var els = Ext.select("#some-el div.some-class", true);
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18 // or select directly from an existing element
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19 var el = Ext.get('some-el');
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20 el.select('div.some-class', true);
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22 els.setWidth(100); // all elements become 100 width
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23 els.hide(true); // all elements fade out and hide
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25 els.setWidth(100).hide(true);
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28 Ext.CompositeElement = function(els, root){
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30 this.add(els, root);
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33 Ext.extend(Ext.CompositeElement, Ext.CompositeElementLite, {
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34 invoke : function(fn, args){
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35 Ext.each(this.elements, function(e) {
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36 Ext.Element.prototype[fn].apply(e, args);
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42 * Adds elements to this composite.
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43 * @param {String/Array} els A string CSS selector, an array of elements or an element
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44 * @return {CompositeElement} this
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46 add : function(els, root){
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50 if(typeof els == "string"){
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51 els = Ext.Element.selectorFunction(els, root);
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53 var yels = this.elements;
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54 Ext.each(els, function(e) {
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55 yels.push(Ext.get(e));
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61 * Returns the Element object at the specified index
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62 * @param {Number} index
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63 * @return {Ext.Element}
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65 item : function(index){
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66 return this.elements[index] || null;
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70 indexOf : function(el){
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71 return this.elements.indexOf(Ext.get(el));
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74 filter : function(selector){
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78 Ext.each(me.elements, function(el) {
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79 if(el.is(selector)){
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80 out.push(Ext.get(el));
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88 * Calls the passed function passing (el, this, index) for each element in this composite.
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89 * @param {Function} fn The function to call
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90 * @param {Object} scope (optional) The <i>this</i> object (defaults to the element)
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91 * @return {CompositeElement} this
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93 each : function(fn, scope){
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94 Ext.each(this.elements, function(e,i) {
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95 return fn.call(scope || e, e, this, i);
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102 * Selects elements based on the passed CSS selector to enable {@link Ext.Element Element} methods
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103 * to be applied to many related elements in one statement through the returned {@link Ext.CompositeElement CompositeElement} or
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104 * {@link Ext.CompositeElementLite CompositeElementLite} object.
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105 * @param {String/Array} selector The CSS selector or an array of elements
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106 * @param {Boolean} unique (optional) true to create a unique Ext.Element for each element (defaults to a shared flyweight object)
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107 * @param {HTMLElement/String} root (optional) The root element of the query or id of the root
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108 * @return {CompositeElementLite/CompositeElement}
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109 * @member Ext.Element
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112 Ext.Element.select = function(selector, unique, root){
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114 if(typeof selector == "string"){
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115 els = Ext.Element.selectorFunction(selector, root);
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116 }else if(selector.length !== undefined){
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119 throw "Invalid selector";
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122 return (unique === true) ? new Ext.CompositeElement(els) : new Ext.CompositeElementLite(els);
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126 * Selects elements based on the passed CSS selector to enable {@link Ext.Element Element} methods
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127 * to be applied to many related elements in one statement through the returned {@link Ext.CompositeElement CompositeElement} or
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128 * {@link Ext.CompositeElementLite CompositeElementLite} object.
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129 * @param {String/Array} selector The CSS selector or an array of elements
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130 * @param {Boolean} unique (optional) true to create a unique Ext.Element for each element (defaults to a shared flyweight object)
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131 * @param {HTMLElement/String} root (optional) The root element of the query or id of the root
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132 * @return {CompositeElementLite/CompositeElement}
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133 * @member Ext.Element
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136 Ext.select = Ext.Element.select;